Finding the Fourth Proportional to 472,694.02, 652,319.80 and 257,838.70
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Solution
The fourth proportional to 472,694.02, 652,319.80 and 257,838.70 is: 355,818.53
Step by Step Solution
- Step 1: Write the proportion equation
472,694.02 : 652,319.80 = 257,838.70 : x - Step 2: Convert to fraction form
472,694.02/652,319.80 = 257,838.70/x - Step 3: Cross multiply
472,694.02x = 652,319.80 × 257,838.70 - Step 4: Simplify right side
472,694.02x = 168,193,289,216.26 - Step 5: Solve for x
x = 168,193,289,216.26/472,694.02 - Step 6: Final answer
x = 355,818.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.